UV Back Coating Machine – Single Roller with Dual UV Curing

UV Back Coating System for Bamboo & Calcium Boards

Working width:0-1300MM
Working height:3-80MM
Min working length: 300MM
Feeding Speed:0 – 20 m/min
Coating Power:5 kW/8 kW/11kW
Application :The UV back coating machine is a specialized finishing unit designed for the reverse‑side UV coating of bamboo flooring, silicon‑calcium boards, and various panel materials.

Product Description

The UV back coating machine is a specialized finishing unit designed for the reverse‑side UV coating of bamboo flooring, silicon‑calcium boards, and various panel materials. This equipment effectively prevents moisture penetration through the back of the board, significantly reducing the risk of warping and dimensional instability—a critical requirement for high‑quality flooring and building panels.

By integrating single‑roller coating with dual‑lamp UV curing in one compact system, this back coater enables coating application and instant drying to occur simultaneously, greatly improving production efficiency while ensuring consistent protective performance.

Product Features

1. Specialised for Back Coating Applications
Purpose‑built for UV coating on bamboo flooring, silicon‑calcium boards, and wood‑based panels requiring back sealing.

2. Independent Frequency Conversion Control
Both application roller and metering roller are independently controlled for precise film thickness and minimal material waste.

3. Integrated Coating and Curing in One Pass
Single‑roller coating plus dual‑lamp UV drying in one unit – coating and curing happen simultaneously.

4. Dual‑Lamp UV Curing System
Two UV lamps deliver higher energy density, faster curing, and a tougher, more durable film.

5. Superior Anti‑Warping Performance
A dense UV coating seals the panel back, effectively preventing moisture penetration and ensuring dimensional stability.

Parameters

Model	CRS-600#	CRS-900#	CRS-1300#
Working Width	600 mm	900 mm	1300 mm
Working Thickness	3 – 80 mm	3 – 80 mm	3 – 80 mm
Minimum Length	300 mm	300 mm	300 mm
Feeding Speed	0 – 20 m/min	0 – 20 m/min	0 – 20 m/min
Lamp Power	5 kW	8 kW	11 kW
Feeding Power	0.75 kW	1.5 kW	1.5 kW
Overall Dimensions (L×W×H)	1600×1600×1700 mm	1600×1900×1700 mm	1600×2300×1700 mm

Product Details

Application Scenarios

This UV back coating machine is ideal for manufacturers producing:

Solid bamboo flooring – back sealing to balance moisture exchange and prevent cupping
Engineered wood flooring – protects the back layer from humidity
Calcium silicate boards for wall panels – reduces moisture absorption in humid environments
Decorative panels and substrates – provides a stable, warp‑free base for subsequent lamination or finishing

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Main Applications of Roller Coating Machine 03

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FAQ

1. What substrates can this UV back coating machine handle?

This machine is specifically designed for bamboo flooring, silicon‑calcium boards (calcium silicate boards), and various wood‑based panels that require back sealing. It can also accommodate other flat panel materials of similar thickness and surface characteristics.

2. How does the back coating prevent warping?

The UV coating forms a dense, cured film on the panel back that effectively blocks moisture ingress. By sealing the reverse side, the panel absorbs significantly less moisture from the environment, which prevents expansion, contraction, and warping—especially critical for flooring and large‑format boards exposed to varying humidity.

3. What is the advantage of the integrated coating and curing design?

The single‑pass design combines coating application and UV drying in one unit, eliminating the need for a separate drying tunnel. This saves floor space, reduces handling, and shortens the production cycle—panels exit fully cured and ready for stacking or further processing.

4. How does independent frequency conversion control improve coating quality?

Both the application roller and the metering roller have independent drives, allowing precise speed adjustment to suit different panel materials and coating viscosities. This ensures consistent film thickness, reduces material waste, and maintains uniform quality across entire production batches.

5. Is the machine easy to operate and maintain?

Yes. The roller system is straightforward to clean and maintain, and the UV lamps have a reliable service life. The independent roller controls make setup and adjustment simple, while the integrated design reduces the number of separate units that require attention.

6. What is the typical production speed of this machine?

Production speed varies depending on the specific model, UV lamp power, and coating formulation. As a general reference, the dual‑lamp system enables faster line speeds compared to single‑lamp designs. Please consult your supplier for exact speed specifications based on your production requirements.